Relationship extraction method, device and system and computer readable storage medium
A technology of relationship extraction and relationship, which is applied in computing, instrumentation, electrical digital data processing, etc., can solve the problem of inaccurate extraction results
Pending Publication Date: 2021-09-10
RICOH KK
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[0004] However, most relationship extraction models do not make full use of these relationship category labels, which leads to inaccurate results of existing relationship extraction.
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[0064] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0065] It should be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the present invention. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, the particu...
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The invention discloses a relation extraction method, device and system and a computer readable storage medium, relates to the technical field of relation extraction, and aims to improve the accuracy of an obtained relation extraction result. The method comprises the steps that a to-be-recognized statement is obtained, and the to-be-recognized statement comprises an entity mark of a to-be-processed entity; matching the to-be-recognized statement with the target relationship type embedded representation by utilizing a relationship extraction model; embedding the target relationship type of which the matching result meets the preset requirement into the relationship type corresponding to the expression to serve as the entity relationship between the to-be-processed entities; wherein the relation extraction model is obtained by training by utilizing an embedded representation corresponding to a relation instance in a training statement and an embedded representation of a preset relation type. According to the embodiment of the invention, the accuracy of the obtained relation extraction result can be improved.
Description
technical field [0001] The present invention relates to the technical field of relation extraction, in particular to a relation extraction method, device, system and computer-readable storage medium. Background technique [0002] The purpose of relation extraction is to identify the relation between entities in a sentence. For example, given the sentence "Alan works for IBM", a relation classifier is tasked with identifying the relationship "Work_For" between the entity "Alan" and the entity "IBM". [0003] The task of relation extraction is one of the key components of many natural language processing applications. Most existing relation extraction models use the output of named entity recognition tasks and the contextual information of these named entity objects for relation category classification. Among them, the predefined relationship category labels are actually a collection of words like ["Work_For", "Live_In", "Located_In", ...]. [0004] However, most relation e...
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IPC IPC(8): G06F40/295
Inventor 张剑丁磊童毅轩董滨姜珊珊
Owner RICOH KK